Submission #1188847

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188847		salmakaram	Vlak (COCI20_vlak)	C++20	70 / 70	12 ms	20292 KiB

Main

#include <bits/stdc++.h>

#define Pc_champs ios_base::sync_with_stdio(false);cout.tie(NULL);cin.tie(NULL);
using namespace std;

#define ll long long
//#define int long long

int const N = 1e5 + 2, LOG = 17, N2 = 2 * N + 1, M = 1e9 + 7, SQ = 400;

int n, m;
struct Node {
    Node *link[26];
    int idx{};
    bool n{}, e{};
};

Node *root;

void init() {
    root = new Node();
}

void insert(string &s, bool isn) {
    Node *node = root;
    int j = 1;
    for (char &i: s) {
        if (node->link[i - 'a'] == NULL) node->link[i - 'a'] = new Node();
        node = node->link[i - 'a'];
        node->idx = j++;
        if (isn) node->n = true;
        else node->e = true;
    }
}

bool win(Node *node) {
    if (node->idx & 1) {//emilija play
        for (int i = 0; i < 26; ++i) {
            if (node->link[i] != NULL) {
                if (!node->link[i]->n) return false;
            }
        }
        for (int i = 0; i < 26; ++i) {
            if (node->link[i] != NULL) {
                if (!win(node->link[i])) return false;
            }
        }
        return true;
    } else {//nina play
        for (int i = 0; i < 26; ++i) {
            if (node->link[i] != NULL) {
                if (!node->link[i]->e) return true;
            }
        }
        for (int i = 0; i < 26; ++i) {
            if (node->link[i] != NULL) {
                if (win(node->link[i])) return true;
            }
        }
        return false;
    }
}

void dowork() {
    cin >> n;
    init();
    string s;
    for (int i = 0; i < n; ++i) {
        cin >> s;
        insert(s, 1);
    }

    cin >> m;
    for (int i = 0; i < m; ++i) {
        cin >> s;
        insert(s, 0);
    }

    cout << (win(root) ? "Nina" : "Emilija");
}


signed main() {
    Pc_champs
    int t = 1;
    //cin >> t;
    while (t--) {
        dowork();
        cout << "\n";
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10